HG/T 5615-2019
HG/T 5612\uff5e5615-2019
YB/T 5070-2014
α-methyl pyridine
GB/T 27715-2011
3-methylpyridine for industrial use
YB/T 5071-2015
β-methyl pyridine fraction
HG/T 4875~4877-2016
HG/T 4876-2016
3-Aminopyridine for industrial use
HG/T 4877-2016
4-Aminopyridine for industrial use
HG/T 4875-2016
2-Aminopyridine for industrial use
HG/T 4483-2012
HG/T 4482-2012
HG/T 5712-2020
HG/T 6145-2023
GB/T 23670-2016
2-Amino-5-chloro-4-methybenzenesulfonic acid(CLT acid)
HG/T 6340-2024
HG/T 5502-2018
N -Methyl-4- (p -formylstyryl) pyridiniuID methyl sulfate
HG/T 6077\uff5e6078-2022
HG/T 4716-2014
GB/T 27812-2011
Water treatment chemicals - Polyamino Polyether Methylene Phosphonate (PAPEMP)
YB/T 5071-2005
β-Picoline fraction